Take action today
To change the world, it’s going to take all of us having the courage to stand up for what we know is right. Begin that journey today.
![](https://www.greenpeace.org/static/planet4-aotearoa-stateless/2016/03/ae0b70f5-gp0stpp5b_pressmedia.jpg)
Free nitrate testing
Everyone should be able to trust that the water from their tap is safe to drink.
We’re offering free, mail-in water testing so you can check your water for nitrate contamination linked to bowel cancer and preterm birth and caused by synthetic nitrogen fertiliser and too many cows.
![](https://www.greenpeace.org/static/planet4-aotearoa-stateless/2023/08/a5a79058-nitrate-map-og-1024x577.jpg)